MODELING WORD RECOGNITION BY PEDIATRIC CI USERS 311 RESEARCH ON SPOKEN LANGUAGE PROCESSING Progress Report No. 22 (1998) Indiana University Behavioral Data to Model Open-Set Word Recognition and Lexical Organization 1 Stefan Frisch, 2 Ted A. Meyer, 3 David B. Pisoni, 3 Mario A. Svirsky 3 and Karen I. Kirk 3 Speech Research Laboratory Department of Psychology Indiana University Bloomington, Indiana 47405 1 This work was supported by NIH-NIDCD Research Grant DC00064 and Training Grant DC00012 to Indiana University. 2 Now at the Program in Linguistics, University of Michigan, Ann Arbor, MI. 3 Department of Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis, IN.